alter table defect add DEFECT_TIME datetime null
go
alter table tendency add TENDENCY_TIME datetime null
go
alter table defect add DEFECT_WRITE_TIME datetime null
go
alter table defect add DEFECT_WRITE_USER_ID int null
go
alter table tendency add TENDENCY_WRITE_TIME datetime null
go
alter table tendency add TENDENCY_WRITE_USER_ID int null
go
alter table [dbo].[shutdown] add SHUTDOWN_WRITE_TIME datetime null
go
alter table [dbo].[shutdown] add SHUTDOWN_WRITE_USER_ID int null
go
alter table problem alter column PROBLEM_CONTENT varchar(800) null
go
alter table problem alter column PROBLEM_ZHENGGAI_CUOSHI varchar(800) null
go